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在以实验教学为主的小学科学教学过程中,教师要正确处理预设与生成的关系,相机诱导,适时点拨,促进课堂教学有效生成。适时、适宜的点拨将会收到“一石冲开水中天”的功效。适时,就是指教师要把握点拨的有利时机;适宜,就是指教师要选择点拨的有效方法。在实验教学过程中,教师要灵活把握点拨时机,运用对比点拨、实例点拨、设陷点拨等方法帮助学生经历实验过程,建构科学概念。这样,才能有效地体现科学课堂的动态生成,落实科学教学目标,全面培养学生的科学素养。
In the process of primary science teaching, which is mainly composed of experimental teaching, teachers should correctly handle the relationship between the preset and the generation, and the camera should induce and promptly dial in order to promote the effective production of classroom teaching. Timely, appropriate dial will receive “a stone washed away in the sky ” effect. Timely, refers to the teacher to grasp the favorable opportunity to dial; appropriate, refers to the teacher to choose an effective method of dialing. In the process of experimental teaching, teachers should flexibly grasp the timing of making the call, using the methods of contrasting, example making and setting, etc. to help students to go through the experimental process and construct the scientific concept. In this way, we can effectively reflect the dynamic formation of science classrooms, implement the goals of science teaching and fully develop students’ scientific literacy.